CA2067192C - Adjustable stepping structure for aerobic exercises - Google Patents
Adjustable stepping structure for aerobic exercisesInfo
- Publication number
- CA2067192C CA2067192C CA002067192A CA2067192A CA2067192C CA 2067192 C CA2067192 C CA 2067192C CA 002067192 A CA002067192 A CA 002067192A CA 2067192 A CA2067192 A CA 2067192A CA 2067192 C CA2067192 C CA 2067192C
- Authority
- CA
- Canada
- Prior art keywords
- platform section
- stepping
- support
- support element
- engaging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B1/00—Horizontal bars
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/04—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
- A63B23/0405—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs involving a bending of the knee and hip joints simultaneously
- A63B23/0458—Step exercisers without moving parts
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- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Invalid Beds And Related Equipment (AREA)
- Ladders (AREA)
- Hydroponics (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Combined Means For Separation Of Solids (AREA)
- Rehabilitation Tools (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Lifting Devices For Agricultural Implements (AREA)
- Soil Working Implements (AREA)
- Cultivation Of Seaweed (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Foundations (AREA)
Abstract
An adjustable stepping structure (100) for aerobic exercises comprising a platform (117) upon which the participant places his or her feet, the platform being elevated above a support surface by means of one or more support elements (114) which are capable of being detachably stacked upon each other until the platform is maintained at a selected distance above the support surface, depending upon the skill and physical characteristics of the participant.
Description
O9l/n47~7 ~CT/US90/05446 ~, ADJUSTABLE STEPPING STRUCTURE FOR ~EROBIC EXE~CISES
TECHNICAL FIELD
The present invention relates to aerobic exercise devices and, more particularly, to an adjustable stepping structure for aerobic exercises.
BACI~GROUI`~D ART
It is known in aerobic exercising to use a conditioning program based on stair climbing to develop, simultaneously, strength and improved cardiovascular endurance. For instance, during a 60-minute aerobic workout, the participant may, using optional hand-held weights, climb on and of~ plat~orms that are avail~ble at a number of different heights. Such stepping sessions may last for from five to twenty-five minutes per period during such workouts and are combined with traditional aerobic movements.
The disadvantage of the present stair climbing programs is that they utilize fixed-height platforms which do not easily accommodate participants of varying degrees of physical height or expertise in aerobics. Also, the fixed platforms or steps make it more di~ficult to vary the intensity of the exercise. In group classes, the participant may be forced to use a step at a particular height based only upon availability and not upon proper sizing. This can make a workout either too hard or too easy. Also, in the home market, the fi~ed-height platform does not allow for interval training or improved conditioning of the participant.
DISCLOSURE OF THE INVE~TION
The above disadvantages of the existing exercise stepping systems are overcome by the present invention ~ 0 ~
which provides a unitary, aerobic exercise structure that has a platform upon which the participant steps and which is adjustable in elevation above a support surface.
Specifically, two structures are described, each structure including a rectangular platform section that has a flat top surface and a plurality of equally dimensioned support elements which are stackable, one upon the other, each of the elements capable of being detachably engageable with the underside of the platform section 80 that it is elevated a selected distance above the floor, depending upon the skill and physical characteristics of the user.
The invention in one claimed aspect provides an adjustable stepping structure for aerobic exercises comprising a platform section having a substantially flat and continuous stepping surface for receiving thereon the feet of the participant, a shaped underside surface opposite the stepping surface and an outer wall interconnecting the top stepping surface and the underside surface. There is provided means for elevating the top stepping surface of the platform section a selected distance above and in a plane parallel to, a support surface, the elevating means comprising a support element having a bottom exterior, an opposite top exterior and a side wall interconnecting the bottom and top exteriors. One of the exteriors is shaped and the other of the exteriors is complementary in shape to and matingly engageable with both the underside surface of the platform section as well as the bottom exterior of the support element, whereby the participant may adjust the distance by utilizing with the platform section a selected one or more of the support elements, the vertical plane of the side wall extending no further than the vertical plane of the outer wall.
A further aspect of the invention provides an adjustable stepping structure for aerobic exercises comprising a platform section having a top substantially flat and continuous stepping surface for receiving thereon the feet of the participant, a shaped underside surface opposite the stepping surface and an outer wall interconnecting the top stepping surface and the underside surface and means ~or =~
~ 2067 1 ~2 ~-elevating the top stepping surface of the platform section a selected distance above and in a plane parallel to, a support surface. The elevating means comprises a support element having a bottom exterior, an opposite top exterior and a side wall interconnecting the bottom and,top exteriors, one of the exteriors being shaped and the other of the exteriors being complementary in shape to and matingly engageable along a portion of the edge thereof within both the underside surface of the platform section as well as the bottom exterior of the support element, whereby the participant may adjust the distance by utilizing with the platform a selected one or more of the support elements. A protrusion is on the underside surface of the platform section and is on the bottom exterior of the support element and a depression is on the top exterior of the support element. The protrusion and depression are complementary in shape to and matingly engageable and in registry with, each other to provide lateral stabilization of the platform section and the support element, the vertical plane of the side wall extending no further than the vertical plane of the outer wall.
Another aspect of the invention provides an adjustable stepping structure for aerobic exercises comprising a platform section having a top stepping surface for receiving thereon the feet of the participant and a shaped underside surface opposite the stepping surface and means for elevating the top stepping surface of the platform section a selected distance above and in a plane parallel to, a support surface. The elevating means comprises a pair of support elements, each support element having a bottom exterior and an opposite top exterior, the top exterior being shaped and matingly engageable within the underside surface of the platform section, whereby the participant may adjust the distance by utilizing with the platform section the support elements. At least one depression is on the underside surface of the platform section and at least one protrusion is on the top exterior of each of the support elements, the protrusion and depression being complementary in shape to and matingly engageable and in registry with, each other to provide lateral stabilization of the platform C
~0~7~2 section and the support elements.
Further still the invention provides an adjustable stepping structure for aerobic exercises comprising a platform section having a substantially flat top stepping surface ~or receiving thereon the feet of the participant and an underside surface opposite the stepping surface, means for elevating the top stepping surface of the platform section a selected distance above and in a plane parallel to, a support surface, the elevating means comprising a support element disposed substantially underneath and matingly engageable with, the platform section. Means is provided for matingly engaging with the top surface of the support element being incorporated within the underside of the platform section, the engaging means comprising an opening in the underside of the platform section which receives therein an edge portion of the top surface of the support element and a first stabilizing means on the underside surface of the platform section and a second stabilizing means on the top surface of the support element, the first and second stabilizing means being complementary in shape to and matingly engageable and in registry with, each other to provide lateral stabilization of the platform section and the support element.
Still further the invention comprehends an adjustable stepping structure for aerobic exercises, comprising a platform section having a substantially flat and continuous top stepping surface for receiving thereon the feet of the participant and at least one shaped engaging surface opposite the stepping surface and means for elevating the top stepping surface of the platform section a selected distance above and in a plane parallel to, a support surface, the elevating means comprising a support element, having an engaging surface that is complementary in shape to and matingly engageable with, the shaped engaging surface o~ the platform section. A first stabilizing means is positioned on the shaped engaging surface of the platform and a second stabilizing means is on the engaging surface on the support element that is complementary in shape to and matingly engageable and in registry with, the first stabilizing means, whereby the lateral position of the support element and the 2c 2067~ 92 plat~orm section, relative to each other, is stabilized.
The invention also contemplates an adjustable stepping structure for aerobic exercises comprising a plat~orm section having a periphery and having a top stepping surface therewithin for recelving thereon the feet of the participant and a shaped underside surface opposite the stepping surface and means for elevating the top stepping surface of the platform section a selected distance above a support surface, the elevating means comprising a support element having a bottom exterior, an opposite top exterior and a periphery substantially dimensionally contiguous with that of the platform section. One of the exteriors is shaped and the other of the exteriors is complementary in shape to and matingly engageable along a portion of the edge thereof within both the underside surface of the platform section as well as the bottom exterior of the support element, whereby the participant may adjust the distance by utilizing with the platform section a selected one or more of the support elements. A protrusion is on the underside surface of the platform section and on the bottom exterior of the support element and a depression is on the top exterior of the support element, the protrusion and depression being complementary in shape to and matingly engageable and in registry with, each other to provide lateral stabilization of the platform section and the support element.
Further, the invention provides an adjustable stepping structure for aerobic exercises, comprising a platform æection having a periphery and a substantially flat top surface for receiving thereon the feet of the participant and at least one shaped engaging surface opposite the stepping surface and means for elevating the platform section a selected distance above a support surface, the elevating means comprising a support element, the periphery of which is dimensionally substantially contiguous with the periphery o~
the platform section, said support element having a first engaging surface and an opposite second engaging surface.
The second engaging surface being shaped and the first engaging surface being complementary in shape to and matingly engageable with the at least one shaped engaging surface of 0~
~Ob7 1 ~;~
.
the platform section as well as the second engaging surface of another support element. A first stabilizing means is positioned on an edge portion of the second engaging surface and on an edge portion of the shaped engaging surface of the platform and a second stabilizing means is complementary in shape to and matingly engageable and in registry with, the first stabilizing means and being positioned on an edge portion of the first engaging surface, whereby the lateral position of the platform section relative to the support element is stabilized.
The present invention incorporates into one space-saving structure the necessary features of the individual stepping structures of varying heights.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 is a perspective view of the first embodiment of the present invention.
Fig. 2 is an exploded, perspective view of the structure of the first embodiment of the present invention.
Fig. 3 is a front view of the first embodiment of the present invention with a portion broken away for clarity.
Fig. 4 is an exploded perspective view of the second embodiment of the present invention.
Fig. 5 i8 a front view of a portion of the second embodiment of the present invention.
Fig. 6 is a bottom plan view of a portion of one of the support elements of the support elements of the second embodiment of the present invention.
-_"
. ,,~
~V09l/047~,7 PCT/US90/0~446 Fig. 7 is a view of the second embodiment of the present invention taken along line 7-7 in ~ig. 5.
~EST MOD~ O~ CAR~YI~G OUT THE INV~NTIOI~ _ . ~irst Embodiment Referring to the Eigs. 1-3 of the drawings, the numeral 10 denotes generally the first embodiment of the adjustable stepping structure which comprises a platfor~
section 12 and a plurality of means or elevating the platform section 12 a pre-determined distance above a support surface, namely, support elements 1~. The section 12 i5 rectangular in shape and includes a top, stepping surface 16 with depending, parallel side walls 18 and opposed, parallel end walls 20. The surface 15 preferably has a non-slip coating thereon.
Means are provided on the bottom of the section 12 to allow the detachable securing of one of the support elements 14 thereto. Basically, such means comprise at least one opening in underside of section 12 into which is received a portion of the top of one of the support elements 14 as seen in Figs. 2 and 3. A
r~ctangular frame 22 is provided on the bottom surface of side walls 18 and end walls 20. The frame 22 is comprised of end members 2~ which underlie end walls 20 and side members 26 which run along the bottom of side walls 18.
The members 24, 26 are offset from the outer respective edges 28, 30 of~ end walls 20 and side walls 18 so as to be complementary to and engage the top surface of the support elements 14, as described below.
Laterally extending between side walls 18 are ribs 32, the distance between the respective side wall 18 and rib 32 being equal to the width of the support elements 14. Elongated, rectangular column members 34 ar~
formed at the intersections of rib 32 and side walls 18 ~!0 9l/n~7~)7 PCT/US90/0~46 ' ' and end walls 20 and side walls 18. Rectangular pads 36 are disposed on the bottoms of the column members 34 and e~tend below the frame 22. As seen in Fig. 2, a pair of struts 38 longitudinally e~tend between end walls 20 and the respective ribs 32, with struts 40 longitudinally extending between the ribs 32. The struts 38, 40 provide a means of strengthening the section 12.
The support elements 14 are squares and are of equal dimensions to each other, comprising sides 42 and top 44. An upper element 46 overlies top 44 except at the respective corners and adjacent the upper edges 43 of the sides 42, where top 44 is exposed. The upper element 46 includes an upper surface 48 and depending sides 50, each of which is offset from edges 43 and terminates adjacent their ends in inwardly directed edges 52. The space defined by converging edges 52 is dimensioned to receive therein the columns 34 and pads 36 of the platform section 12. When the columns 34 are received within the above-described spaces on support elements 14, the bottom surface of the ribs 38 engage the upper surface 48 and end members 24 and side members 26 engage the top 44 e~posed between upper edges 43 and sides 50.
The under surface of each support element 14 is complementary to both the upper element of the other support elements 14 (so that they may be stacked upon each other), and the underside of the platform section 12 (so that each support element 14 is capable of detachably engaging and supporting the platform section 12 above the floorl. Each support element 14 includes column members 54 with pads 56 on their bottom surfaces and a pair of strengtheninq ribs 58. The support elements 14 are stackable upon each other in the same manner as each is capable of engaging the platform section 12, namely, the columns 34 are received within the space formed by ~VO9l/n~767 PCT/US90/0~446 .
edges 52 and top 4~ and the upper surface 48 engages the bottom surfaces of ribs 58.
The dimensions of a typical platform section 12 are either 48" x 14" x ~" or 36" x 14" x 4" and the dimensions of a typical support element 14 are 14" x l~" x 2". The stepping surface 16 can be elevated off the ground from 6 inches to 12 inches, in 2-inch increments, by adding the required number of support elements 1~.
Also, the interlocking, stackable support elements 14 provide stability as the height is increased.
~. Second Embodiment Figs. 4-7 depict the second embodimcnt of the present invention, denoted generally by the numeral lOO, and comprising a platform section 112 and a plurality of support elements 114 which provide means for vertically adjusting the height of platform section 112 above a support surface, such as a floor. The second embodiment lOO is constructed of a molded high impact plastic materials and ~unctions or operates in the same manner as the first embodiment lO. The basic difference between the two is their respective outward appearance, the second embodiment lOO having a more "modern" look than the first.
The platform section 112 is generally rectangular in shape with a top, stepping surface 116 having a non-slip, textured coating 117 thereon. The side and end walls 118, 120 slant outwardly from the top surface 116 and terminate in horizontally extending, continuous rib 121. The walls 118, 120 then curve downwardly in sections 123, 125 which terminate in flat bottom 127. ~s seen more clearly in Fig. ~, hand-holds 129 are provided through section 123 to aid inmaneuvering the platform section 112. As seen in Fig. 7, the platform section 112 includes an interior wall 127 ~'0~ 767 ~'Cr/US91)/()5~46 laterally e~tendlng between side walls 118 adjacent each end wall 120 and which projects downwardly from the underside of top surface 116 in sloping direction which parallels approximately the slope of end wall 120. The wall 127 terminates in a horizontal base 129 that is directed toward end wall 120.
Each support element 114 is capable of being telescopingly received within the bottom of the platform section 112, as well as being so received within the bottom o~ another support element 114 so that they are vertically stackable, as shown in Fig. 4. The support element 114 is a square shaped unitary member and is open through its center. Each element comprises three sections with the top section 131 having a slightly rounded top 133 and a downwardly curved shoulder 135 which terminates in horizontal ledge 137 with wall 139 depending therefrom.
The ledge 137 and wall 139 form the middle section 141.
The lower section 143 includes a bulbous portion 145 that terminates in rib 147. Inwardly curved bottom portion 149 extends beneath rib 147 and concludes with a flat bottom 151. Hand-inserts 153 are formed in the center of each bottom portion 149 to provide a location for gripping when the support elements 114 are moved about.
As seen in Fig. 6, a square-shaped lug 155 is located at each corner on bottom 151 and are in registry with similarly shaped depressions 157 located on portion 145, as seen in Fig. 4. When the support elements 114 are placed upon each other, the lugs 155 on an upper element 114 are received within a respective lower element 114 to aid in stabilizing the stacked elements 114.
As seen most clearly in Fig. 7, each element 114 includes interior walls 159, 161 joined by curved section 163 with the slope of walls 159, 161 being the -~V09l/04767 PCT/~ g 2 same as that of interior wall 127 of the platform section 112. The bottom edge of wall lG1 terminates in horizontally extending base 165.
When a support element 114 is telescopingly received within the bottom of platform section 112, the shoulder 135 contacts interior wall 127 and ledge 137 engages the underside of base 129. When an additional support element 114 is added, it is received within an upper support element 114 by ha~ing shoulder 135 rest against the underside of curved portion 163 and wall 161, with base 165 resting on ledge 137.
The above-described support elements 14, 114 and the structural means employed to allow them to be stackable in vertical alignment and to support the platform section 12, 120 are merely an example of the currently operable ones. However, any number of other designs could be used such as, for example, having upstanding ribs or plugs on the top of the support elements 14, 114 which are complementary in shape and engage slots on the underside of both the plat~orm section and each support element 14, 114.
~ guide for choosing the proper height of the stepping surface 16 is as follows:
MEIGMT OF SURFACE lG HEIGMT OE PARTICIPANT
6" Under 5' tall, a novice to aerobic exercise or pregnant 358" 5' to 5'6"
10" 5' 6" - 6'0"
12" 6'1" and above ~V091/0~767 PC~/US90/05~46 ~ ' ' 8 2067192 The major advantage of both embodiments of the present invention is its adjustability which allows the safe matching of a person's height and level of fitness with the correct height of stepping surface 16, 116. By being able to vary the step height, the participant can vary the intensity of the exercise to meet their individual needs. The structures 10, 100 can be adjusted during an exercise session by either adding or removing support elements 14, 114. This helps to maintain the intensity at the correct level within the target heart range.
The structures 10, lOO are used to elevate the heart rate of the participant. By using various elements in conjunction with an instructor or video cassette, the participant achieves a high intensity, low impact wor~out within their target heart range.
-
TECHNICAL FIELD
The present invention relates to aerobic exercise devices and, more particularly, to an adjustable stepping structure for aerobic exercises.
BACI~GROUI`~D ART
It is known in aerobic exercising to use a conditioning program based on stair climbing to develop, simultaneously, strength and improved cardiovascular endurance. For instance, during a 60-minute aerobic workout, the participant may, using optional hand-held weights, climb on and of~ plat~orms that are avail~ble at a number of different heights. Such stepping sessions may last for from five to twenty-five minutes per period during such workouts and are combined with traditional aerobic movements.
The disadvantage of the present stair climbing programs is that they utilize fixed-height platforms which do not easily accommodate participants of varying degrees of physical height or expertise in aerobics. Also, the fixed platforms or steps make it more di~ficult to vary the intensity of the exercise. In group classes, the participant may be forced to use a step at a particular height based only upon availability and not upon proper sizing. This can make a workout either too hard or too easy. Also, in the home market, the fi~ed-height platform does not allow for interval training or improved conditioning of the participant.
DISCLOSURE OF THE INVE~TION
The above disadvantages of the existing exercise stepping systems are overcome by the present invention ~ 0 ~
which provides a unitary, aerobic exercise structure that has a platform upon which the participant steps and which is adjustable in elevation above a support surface.
Specifically, two structures are described, each structure including a rectangular platform section that has a flat top surface and a plurality of equally dimensioned support elements which are stackable, one upon the other, each of the elements capable of being detachably engageable with the underside of the platform section 80 that it is elevated a selected distance above the floor, depending upon the skill and physical characteristics of the user.
The invention in one claimed aspect provides an adjustable stepping structure for aerobic exercises comprising a platform section having a substantially flat and continuous stepping surface for receiving thereon the feet of the participant, a shaped underside surface opposite the stepping surface and an outer wall interconnecting the top stepping surface and the underside surface. There is provided means for elevating the top stepping surface of the platform section a selected distance above and in a plane parallel to, a support surface, the elevating means comprising a support element having a bottom exterior, an opposite top exterior and a side wall interconnecting the bottom and top exteriors. One of the exteriors is shaped and the other of the exteriors is complementary in shape to and matingly engageable with both the underside surface of the platform section as well as the bottom exterior of the support element, whereby the participant may adjust the distance by utilizing with the platform section a selected one or more of the support elements, the vertical plane of the side wall extending no further than the vertical plane of the outer wall.
A further aspect of the invention provides an adjustable stepping structure for aerobic exercises comprising a platform section having a top substantially flat and continuous stepping surface for receiving thereon the feet of the participant, a shaped underside surface opposite the stepping surface and an outer wall interconnecting the top stepping surface and the underside surface and means ~or =~
~ 2067 1 ~2 ~-elevating the top stepping surface of the platform section a selected distance above and in a plane parallel to, a support surface. The elevating means comprises a support element having a bottom exterior, an opposite top exterior and a side wall interconnecting the bottom and,top exteriors, one of the exteriors being shaped and the other of the exteriors being complementary in shape to and matingly engageable along a portion of the edge thereof within both the underside surface of the platform section as well as the bottom exterior of the support element, whereby the participant may adjust the distance by utilizing with the platform a selected one or more of the support elements. A protrusion is on the underside surface of the platform section and is on the bottom exterior of the support element and a depression is on the top exterior of the support element. The protrusion and depression are complementary in shape to and matingly engageable and in registry with, each other to provide lateral stabilization of the platform section and the support element, the vertical plane of the side wall extending no further than the vertical plane of the outer wall.
Another aspect of the invention provides an adjustable stepping structure for aerobic exercises comprising a platform section having a top stepping surface for receiving thereon the feet of the participant and a shaped underside surface opposite the stepping surface and means for elevating the top stepping surface of the platform section a selected distance above and in a plane parallel to, a support surface. The elevating means comprises a pair of support elements, each support element having a bottom exterior and an opposite top exterior, the top exterior being shaped and matingly engageable within the underside surface of the platform section, whereby the participant may adjust the distance by utilizing with the platform section the support elements. At least one depression is on the underside surface of the platform section and at least one protrusion is on the top exterior of each of the support elements, the protrusion and depression being complementary in shape to and matingly engageable and in registry with, each other to provide lateral stabilization of the platform C
~0~7~2 section and the support elements.
Further still the invention provides an adjustable stepping structure for aerobic exercises comprising a platform section having a substantially flat top stepping surface ~or receiving thereon the feet of the participant and an underside surface opposite the stepping surface, means for elevating the top stepping surface of the platform section a selected distance above and in a plane parallel to, a support surface, the elevating means comprising a support element disposed substantially underneath and matingly engageable with, the platform section. Means is provided for matingly engaging with the top surface of the support element being incorporated within the underside of the platform section, the engaging means comprising an opening in the underside of the platform section which receives therein an edge portion of the top surface of the support element and a first stabilizing means on the underside surface of the platform section and a second stabilizing means on the top surface of the support element, the first and second stabilizing means being complementary in shape to and matingly engageable and in registry with, each other to provide lateral stabilization of the platform section and the support element.
Still further the invention comprehends an adjustable stepping structure for aerobic exercises, comprising a platform section having a substantially flat and continuous top stepping surface for receiving thereon the feet of the participant and at least one shaped engaging surface opposite the stepping surface and means for elevating the top stepping surface of the platform section a selected distance above and in a plane parallel to, a support surface, the elevating means comprising a support element, having an engaging surface that is complementary in shape to and matingly engageable with, the shaped engaging surface o~ the platform section. A first stabilizing means is positioned on the shaped engaging surface of the platform and a second stabilizing means is on the engaging surface on the support element that is complementary in shape to and matingly engageable and in registry with, the first stabilizing means, whereby the lateral position of the support element and the 2c 2067~ 92 plat~orm section, relative to each other, is stabilized.
The invention also contemplates an adjustable stepping structure for aerobic exercises comprising a plat~orm section having a periphery and having a top stepping surface therewithin for recelving thereon the feet of the participant and a shaped underside surface opposite the stepping surface and means for elevating the top stepping surface of the platform section a selected distance above a support surface, the elevating means comprising a support element having a bottom exterior, an opposite top exterior and a periphery substantially dimensionally contiguous with that of the platform section. One of the exteriors is shaped and the other of the exteriors is complementary in shape to and matingly engageable along a portion of the edge thereof within both the underside surface of the platform section as well as the bottom exterior of the support element, whereby the participant may adjust the distance by utilizing with the platform section a selected one or more of the support elements. A protrusion is on the underside surface of the platform section and on the bottom exterior of the support element and a depression is on the top exterior of the support element, the protrusion and depression being complementary in shape to and matingly engageable and in registry with, each other to provide lateral stabilization of the platform section and the support element.
Further, the invention provides an adjustable stepping structure for aerobic exercises, comprising a platform æection having a periphery and a substantially flat top surface for receiving thereon the feet of the participant and at least one shaped engaging surface opposite the stepping surface and means for elevating the platform section a selected distance above a support surface, the elevating means comprising a support element, the periphery of which is dimensionally substantially contiguous with the periphery o~
the platform section, said support element having a first engaging surface and an opposite second engaging surface.
The second engaging surface being shaped and the first engaging surface being complementary in shape to and matingly engageable with the at least one shaped engaging surface of 0~
~Ob7 1 ~;~
.
the platform section as well as the second engaging surface of another support element. A first stabilizing means is positioned on an edge portion of the second engaging surface and on an edge portion of the shaped engaging surface of the platform and a second stabilizing means is complementary in shape to and matingly engageable and in registry with, the first stabilizing means and being positioned on an edge portion of the first engaging surface, whereby the lateral position of the platform section relative to the support element is stabilized.
The present invention incorporates into one space-saving structure the necessary features of the individual stepping structures of varying heights.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 is a perspective view of the first embodiment of the present invention.
Fig. 2 is an exploded, perspective view of the structure of the first embodiment of the present invention.
Fig. 3 is a front view of the first embodiment of the present invention with a portion broken away for clarity.
Fig. 4 is an exploded perspective view of the second embodiment of the present invention.
Fig. 5 i8 a front view of a portion of the second embodiment of the present invention.
Fig. 6 is a bottom plan view of a portion of one of the support elements of the support elements of the second embodiment of the present invention.
-_"
. ,,~
~V09l/047~,7 PCT/US90/0~446 Fig. 7 is a view of the second embodiment of the present invention taken along line 7-7 in ~ig. 5.
~EST MOD~ O~ CAR~YI~G OUT THE INV~NTIOI~ _ . ~irst Embodiment Referring to the Eigs. 1-3 of the drawings, the numeral 10 denotes generally the first embodiment of the adjustable stepping structure which comprises a platfor~
section 12 and a plurality of means or elevating the platform section 12 a pre-determined distance above a support surface, namely, support elements 1~. The section 12 i5 rectangular in shape and includes a top, stepping surface 16 with depending, parallel side walls 18 and opposed, parallel end walls 20. The surface 15 preferably has a non-slip coating thereon.
Means are provided on the bottom of the section 12 to allow the detachable securing of one of the support elements 14 thereto. Basically, such means comprise at least one opening in underside of section 12 into which is received a portion of the top of one of the support elements 14 as seen in Figs. 2 and 3. A
r~ctangular frame 22 is provided on the bottom surface of side walls 18 and end walls 20. The frame 22 is comprised of end members 2~ which underlie end walls 20 and side members 26 which run along the bottom of side walls 18.
The members 24, 26 are offset from the outer respective edges 28, 30 of~ end walls 20 and side walls 18 so as to be complementary to and engage the top surface of the support elements 14, as described below.
Laterally extending between side walls 18 are ribs 32, the distance between the respective side wall 18 and rib 32 being equal to the width of the support elements 14. Elongated, rectangular column members 34 ar~
formed at the intersections of rib 32 and side walls 18 ~!0 9l/n~7~)7 PCT/US90/0~46 ' ' and end walls 20 and side walls 18. Rectangular pads 36 are disposed on the bottoms of the column members 34 and e~tend below the frame 22. As seen in Fig. 2, a pair of struts 38 longitudinally e~tend between end walls 20 and the respective ribs 32, with struts 40 longitudinally extending between the ribs 32. The struts 38, 40 provide a means of strengthening the section 12.
The support elements 14 are squares and are of equal dimensions to each other, comprising sides 42 and top 44. An upper element 46 overlies top 44 except at the respective corners and adjacent the upper edges 43 of the sides 42, where top 44 is exposed. The upper element 46 includes an upper surface 48 and depending sides 50, each of which is offset from edges 43 and terminates adjacent their ends in inwardly directed edges 52. The space defined by converging edges 52 is dimensioned to receive therein the columns 34 and pads 36 of the platform section 12. When the columns 34 are received within the above-described spaces on support elements 14, the bottom surface of the ribs 38 engage the upper surface 48 and end members 24 and side members 26 engage the top 44 e~posed between upper edges 43 and sides 50.
The under surface of each support element 14 is complementary to both the upper element of the other support elements 14 (so that they may be stacked upon each other), and the underside of the platform section 12 (so that each support element 14 is capable of detachably engaging and supporting the platform section 12 above the floorl. Each support element 14 includes column members 54 with pads 56 on their bottom surfaces and a pair of strengtheninq ribs 58. The support elements 14 are stackable upon each other in the same manner as each is capable of engaging the platform section 12, namely, the columns 34 are received within the space formed by ~VO9l/n~767 PCT/US90/0~446 .
edges 52 and top 4~ and the upper surface 48 engages the bottom surfaces of ribs 58.
The dimensions of a typical platform section 12 are either 48" x 14" x ~" or 36" x 14" x 4" and the dimensions of a typical support element 14 are 14" x l~" x 2". The stepping surface 16 can be elevated off the ground from 6 inches to 12 inches, in 2-inch increments, by adding the required number of support elements 1~.
Also, the interlocking, stackable support elements 14 provide stability as the height is increased.
~. Second Embodiment Figs. 4-7 depict the second embodimcnt of the present invention, denoted generally by the numeral lOO, and comprising a platform section 112 and a plurality of support elements 114 which provide means for vertically adjusting the height of platform section 112 above a support surface, such as a floor. The second embodiment lOO is constructed of a molded high impact plastic materials and ~unctions or operates in the same manner as the first embodiment lO. The basic difference between the two is their respective outward appearance, the second embodiment lOO having a more "modern" look than the first.
The platform section 112 is generally rectangular in shape with a top, stepping surface 116 having a non-slip, textured coating 117 thereon. The side and end walls 118, 120 slant outwardly from the top surface 116 and terminate in horizontally extending, continuous rib 121. The walls 118, 120 then curve downwardly in sections 123, 125 which terminate in flat bottom 127. ~s seen more clearly in Fig. ~, hand-holds 129 are provided through section 123 to aid inmaneuvering the platform section 112. As seen in Fig. 7, the platform section 112 includes an interior wall 127 ~'0~ 767 ~'Cr/US91)/()5~46 laterally e~tendlng between side walls 118 adjacent each end wall 120 and which projects downwardly from the underside of top surface 116 in sloping direction which parallels approximately the slope of end wall 120. The wall 127 terminates in a horizontal base 129 that is directed toward end wall 120.
Each support element 114 is capable of being telescopingly received within the bottom of the platform section 112, as well as being so received within the bottom o~ another support element 114 so that they are vertically stackable, as shown in Fig. 4. The support element 114 is a square shaped unitary member and is open through its center. Each element comprises three sections with the top section 131 having a slightly rounded top 133 and a downwardly curved shoulder 135 which terminates in horizontal ledge 137 with wall 139 depending therefrom.
The ledge 137 and wall 139 form the middle section 141.
The lower section 143 includes a bulbous portion 145 that terminates in rib 147. Inwardly curved bottom portion 149 extends beneath rib 147 and concludes with a flat bottom 151. Hand-inserts 153 are formed in the center of each bottom portion 149 to provide a location for gripping when the support elements 114 are moved about.
As seen in Fig. 6, a square-shaped lug 155 is located at each corner on bottom 151 and are in registry with similarly shaped depressions 157 located on portion 145, as seen in Fig. 4. When the support elements 114 are placed upon each other, the lugs 155 on an upper element 114 are received within a respective lower element 114 to aid in stabilizing the stacked elements 114.
As seen most clearly in Fig. 7, each element 114 includes interior walls 159, 161 joined by curved section 163 with the slope of walls 159, 161 being the -~V09l/04767 PCT/~ g 2 same as that of interior wall 127 of the platform section 112. The bottom edge of wall lG1 terminates in horizontally extending base 165.
When a support element 114 is telescopingly received within the bottom of platform section 112, the shoulder 135 contacts interior wall 127 and ledge 137 engages the underside of base 129. When an additional support element 114 is added, it is received within an upper support element 114 by ha~ing shoulder 135 rest against the underside of curved portion 163 and wall 161, with base 165 resting on ledge 137.
The above-described support elements 14, 114 and the structural means employed to allow them to be stackable in vertical alignment and to support the platform section 12, 120 are merely an example of the currently operable ones. However, any number of other designs could be used such as, for example, having upstanding ribs or plugs on the top of the support elements 14, 114 which are complementary in shape and engage slots on the underside of both the plat~orm section and each support element 14, 114.
~ guide for choosing the proper height of the stepping surface 16 is as follows:
MEIGMT OF SURFACE lG HEIGMT OE PARTICIPANT
6" Under 5' tall, a novice to aerobic exercise or pregnant 358" 5' to 5'6"
10" 5' 6" - 6'0"
12" 6'1" and above ~V091/0~767 PC~/US90/05~46 ~ ' ' 8 2067192 The major advantage of both embodiments of the present invention is its adjustability which allows the safe matching of a person's height and level of fitness with the correct height of stepping surface 16, 116. By being able to vary the step height, the participant can vary the intensity of the exercise to meet their individual needs. The structures 10, 100 can be adjusted during an exercise session by either adding or removing support elements 14, 114. This helps to maintain the intensity at the correct level within the target heart range.
The structures 10, lOO are used to elevate the heart rate of the participant. By using various elements in conjunction with an instructor or video cassette, the participant achieves a high intensity, low impact wor~out within their target heart range.
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Claims (39)
1. An adjustable stepping structure for aerobic exercises comprising:
(a) a platform section having a substantially flat and continuous stepping surface for receiving thereon the feet of the participant, a shaped underside surface opposite said stepping surface and an outer wall interconnecting said top stepping surface and said underside surface; and (b) means for elevating said top stepping surface of said platform section a selected distance above and in a plane parallel to, a support surface, said elevating means comprising a support element having a bottom exterior, an opposite top exterior and a side wall interconnecting said bottom and top exteriors, one of said exteriors being shaped and the other of said exteriors being complementary in shape to and matingly engageable with both said underside surface of said platform section as well as said bottom exterior of said support element, whereby said participant may adjust said distance by utilizing with said platform section a selected one or more of said support elements, the vertical plane of said side wall extending no further than the vertical plane of said outer wall.
(a) a platform section having a substantially flat and continuous stepping surface for receiving thereon the feet of the participant, a shaped underside surface opposite said stepping surface and an outer wall interconnecting said top stepping surface and said underside surface; and (b) means for elevating said top stepping surface of said platform section a selected distance above and in a plane parallel to, a support surface, said elevating means comprising a support element having a bottom exterior, an opposite top exterior and a side wall interconnecting said bottom and top exteriors, one of said exteriors being shaped and the other of said exteriors being complementary in shape to and matingly engageable with both said underside surface of said platform section as well as said bottom exterior of said support element, whereby said participant may adjust said distance by utilizing with said platform section a selected one or more of said support elements, the vertical plane of said side wall extending no further than the vertical plane of said outer wall.
2. An adjustable stepping structure for aerobic exercises comprising:
(a) a platform section having a top substantially flat and continuous stepping surface for receiving thereon the feet of the participant, a shaped underside surface opposite said stepping surface and an outer wall interconnecting said top stepping surface and said underside surface;
(b) means for elevating said top stepping surface of said platform section a selected distance above and in a plane parallel to, a support surface, said elevating means comprising a support element having a bottom exterior, an opposite top exterior and a side wall interconnecting said bottom and top exteriors, one of said exteriors being shaped and the other of said exteriors being complementary in shape to and matingly engageable along a portion of the edge thereof within both said underside surface of said platform section as well as said bottom exterior of said support element, whereby said participant may adjust said distance by utilizing with said platform a selected one or more of said support elements; and (c) a protrusion on said underside surface of said platform section and on said bottom exterior of said support element and a depression on the top exterior of said support element, said protrusion and depression being complementary in shape to and matingly engageable and in registry with, each other to provide lateral stabilization of said platform section and said support element, the vertical plane of said side wall extending no further than the vertical plane of said outer wall.
(a) a platform section having a top substantially flat and continuous stepping surface for receiving thereon the feet of the participant, a shaped underside surface opposite said stepping surface and an outer wall interconnecting said top stepping surface and said underside surface;
(b) means for elevating said top stepping surface of said platform section a selected distance above and in a plane parallel to, a support surface, said elevating means comprising a support element having a bottom exterior, an opposite top exterior and a side wall interconnecting said bottom and top exteriors, one of said exteriors being shaped and the other of said exteriors being complementary in shape to and matingly engageable along a portion of the edge thereof within both said underside surface of said platform section as well as said bottom exterior of said support element, whereby said participant may adjust said distance by utilizing with said platform a selected one or more of said support elements; and (c) a protrusion on said underside surface of said platform section and on said bottom exterior of said support element and a depression on the top exterior of said support element, said protrusion and depression being complementary in shape to and matingly engageable and in registry with, each other to provide lateral stabilization of said platform section and said support element, the vertical plane of said side wall extending no further than the vertical plane of said outer wall.
3. An adjustable stepping structure for aerobic exercises comprising:
(a) a platform section having a substantially flat and continuous top surface for receiving thereon the feet of the participant, at least one shaped engaging surface opposite said stepping surface and an outer wall interconnecting said top surface and said engaging surface;
(b) means for elevating said top surface of said platform section a selected distance above and in a plane parallel to, a support surface, said elevating means comprising a support element having a first engaging surface; an opposite second engaging surface and a side wall interconnecting said first and second engaging surfaces, said second engaging surface being shaped and said first engaging surface being complementary in shape to and matingly engageable with both shaped engaging surfaces of said platform section as well as said second engaging surface of another support element; and (c) a first stabilizing means positioned on an edge portion of said second engaging surface and an edge portion of said shaped engaging surface of said platform and a second stabilizing means being complementary in shape to and matingly engageable and in registry with, said first stabilizing means and being positioned on an edge portion of said first engaging surface, whereby the lateral position of said platform section relative to said support element is stabilized, the vertical plane of said side wall extending no further than the vertical plane of said outer wall.
(a) a platform section having a substantially flat and continuous top surface for receiving thereon the feet of the participant, at least one shaped engaging surface opposite said stepping surface and an outer wall interconnecting said top surface and said engaging surface;
(b) means for elevating said top surface of said platform section a selected distance above and in a plane parallel to, a support surface, said elevating means comprising a support element having a first engaging surface; an opposite second engaging surface and a side wall interconnecting said first and second engaging surfaces, said second engaging surface being shaped and said first engaging surface being complementary in shape to and matingly engageable with both shaped engaging surfaces of said platform section as well as said second engaging surface of another support element; and (c) a first stabilizing means positioned on an edge portion of said second engaging surface and an edge portion of said shaped engaging surface of said platform and a second stabilizing means being complementary in shape to and matingly engageable and in registry with, said first stabilizing means and being positioned on an edge portion of said first engaging surface, whereby the lateral position of said platform section relative to said support element is stabilized, the vertical plane of said side wall extending no further than the vertical plane of said outer wall.
4. An adjustable stepping structure for aerobic exercises comprising:
(a) a platform section having a top stepping surface for receiving thereon the feet of the participant and a shaped underside surface opposite said stepping surface;
(b) means for elevating said top stepping surface of said platform section a selected distance above and in a plane parallel to, a support surface, said elevating means comprising a pair of support elements, each support element having a bottom exterior and an opposite top exterior, said top exterior being shaped and matingly engageable within said underside surface of said platform section, whereby said participant may adjust said distance by utilizing with said platform section said support elements; and (c) at least one depression on said underside surface of said platform section and at least one protrusion on the top exterior of each of said support elements, said protrusion and depression being complementary in shape to and matingly engageable and in registry with, each other to provide lateral stabilization of said platform section and said support elements.
(a) a platform section having a top stepping surface for receiving thereon the feet of the participant and a shaped underside surface opposite said stepping surface;
(b) means for elevating said top stepping surface of said platform section a selected distance above and in a plane parallel to, a support surface, said elevating means comprising a pair of support elements, each support element having a bottom exterior and an opposite top exterior, said top exterior being shaped and matingly engageable within said underside surface of said platform section, whereby said participant may adjust said distance by utilizing with said platform section said support elements; and (c) at least one depression on said underside surface of said platform section and at least one protrusion on the top exterior of each of said support elements, said protrusion and depression being complementary in shape to and matingly engageable and in registry with, each other to provide lateral stabilization of said platform section and said support elements.
5. An adjustable stepping structure for aerobic exercises comprising:
(a) a platform section having a substantially flat top stepping surface for receiving thereon the feet of the participant and an underside surface opposite said stepping surface;
(b) means for elevating said top stepping surface of said platform section a selected distance above, and in a plane parallel to, a support surface, said elevating means comprising at least two separate horizontally aligned support elements disposed substantially underneath and matingly engageable with, said platform section, each of said support elements having a shaped top surface;
(c) means for matingly engaging with said top surfaces of said support elements being incorporated within said underside surface of said platform section, said engaging means comprising an opening in said underside surface which receives therein an edge portion of said top surfaces of said support elements; and (d) a first stabilizing means on said underside surface of said platform section and a second stabilizing means on said top surfaces of said support elements, said first and second stabilizing means being complementary in shape to and matingly engageable and in registry with, each other to provide lateral stabilization of said platform section and said support elements.
(a) a platform section having a substantially flat top stepping surface for receiving thereon the feet of the participant and an underside surface opposite said stepping surface;
(b) means for elevating said top stepping surface of said platform section a selected distance above, and in a plane parallel to, a support surface, said elevating means comprising at least two separate horizontally aligned support elements disposed substantially underneath and matingly engageable with, said platform section, each of said support elements having a shaped top surface;
(c) means for matingly engaging with said top surfaces of said support elements being incorporated within said underside surface of said platform section, said engaging means comprising an opening in said underside surface which receives therein an edge portion of said top surfaces of said support elements; and (d) a first stabilizing means on said underside surface of said platform section and a second stabilizing means on said top surfaces of said support elements, said first and second stabilizing means being complementary in shape to and matingly engageable and in registry with, each other to provide lateral stabilization of said platform section and said support elements.
6. An adjustable stepping structure in accordance with claim 5 wherein said platform section is contoured about its periphery.
7. An adjustable stepping structure in accordance with claim 5 wherein said top stepping surface includes means for preventing slippage of the feet of the participant.
8. An adjustable stepping structure for aerobic exercises, comprising:
(a) a platform section having a substantially flat top stepping surface for receiving thereon the feet of the participant and at least one shaped engaging surface opposite said stepping surface;
(b) means for elevating said top stepping surface of said platform section a selected distance above and in a plane parallel to, a support surface, said elevating means comprising at least two separate horizontally aligned support elements, each of said support elements having a first engaging surface being complementary in shape to and matingly engageable with said shaped engaging surface of said platform section; and (c) a first stabilizing means on said underside surface of said platform section and a second stabilizing means on said top surfaces of said support elements and being complementary in shape to and matingly engageable and in registry with, said first stabilizing means, whereby the lateral position of said support elements and said platform section, relative to each other, is stabilized.
(a) a platform section having a substantially flat top stepping surface for receiving thereon the feet of the participant and at least one shaped engaging surface opposite said stepping surface;
(b) means for elevating said top stepping surface of said platform section a selected distance above and in a plane parallel to, a support surface, said elevating means comprising at least two separate horizontally aligned support elements, each of said support elements having a first engaging surface being complementary in shape to and matingly engageable with said shaped engaging surface of said platform section; and (c) a first stabilizing means on said underside surface of said platform section and a second stabilizing means on said top surfaces of said support elements and being complementary in shape to and matingly engageable and in registry with, said first stabilizing means, whereby the lateral position of said support elements and said platform section, relative to each other, is stabilized.
9. An adjustable stepping structure in accordance with claim 8 wherein said first and said second stabilizing means are positioned on a selected one of an edge portion of said shaped engaging surface of said platform and an edge portion of said first engaging surface.
10. An adjustable stepping structure in accordance with claim 8 wherein said platform section is contoured about its periphery and wherein said top stepping surface includes means for preventing slippage of the feet of the participant.
11. An adjustable stepping structure as claimed in claim 10 wherein said first and second stabilizing means comprise a depression and a protrusion for mating engagement with said depression.
12. An adjustable stepping structure as claimed in claim 11 wherein said first stabilizing means is said depression and said second stabilizing means is said protrusion.
13. An adjustable stepping structure for aerobic exercises comprising:
(a) a platform section having a substantially flat top stepping surface for receiving thereon the feet of the participant and an underside surface opposite said stepping surface;
(b) means for elevating said top stepping surface of said platform section a selected distance above and in a plane parallel to, a support surface, said elevating means comprising a support element disposed substantially underneath and matingly engageable with, said platform section;
(c) means for matingly engaging with said top surface of said support element being incorporated within said underside of said platform section, said engaging means comprising an opening in said underside of said platform section which receives therein an edge portion of said top surface of said support element; and (d) a first stabilizing means on said underside surface of said platform section and a second stabilizing means on said top surface of said support element, said first and second stabilizing means being complementary in shape to and matingly engageable and in registry with, each other to provide lateral stabilization of said platform section and said support element.
(a) a platform section having a substantially flat top stepping surface for receiving thereon the feet of the participant and an underside surface opposite said stepping surface;
(b) means for elevating said top stepping surface of said platform section a selected distance above and in a plane parallel to, a support surface, said elevating means comprising a support element disposed substantially underneath and matingly engageable with, said platform section;
(c) means for matingly engaging with said top surface of said support element being incorporated within said underside of said platform section, said engaging means comprising an opening in said underside of said platform section which receives therein an edge portion of said top surface of said support element; and (d) a first stabilizing means on said underside surface of said platform section and a second stabilizing means on said top surface of said support element, said first and second stabilizing means being complementary in shape to and matingly engageable and in registry with, each other to provide lateral stabilization of said platform section and said support element.
14. An adjustable stepping structure in accordance with claim 13 wherein said top stepping surface includes means for preventing slippage of the feet of the participant.
15. An adjustable stepping structure in accordance with claim 13 wherein said platform section is contoured about its periphery.
16. An adjustable stepping structure for aerobic exercises comprising:
(a) a platform section having a substantially flat and continuous top stepping surface for receiving thereon the feet of the participant and a shaped underside surface opposite said stepping surface;
(b) means for elevating said top stepping surface of said platform section a selected distance above and in a plane parallel to, a support surface, said elevating means comprising a support element having a bottom exterior and an opposite top exterior, said top exterior being shaped to and matingly engageable along a portion of the edge thereof within said underside surface of said platform section, whereby said participant may adjust said distance by utilizing said support element with said platform section; and (c) a protrusion on said underside surface of said platform section and on said bottom exterior of said support element and a depression on the top exterior of said support element, said protrusion and depression being complementary in shape to, and matingly engageable and in registry with, each other to provide lateral stabilization of said platform section and said support element.
(a) a platform section having a substantially flat and continuous top stepping surface for receiving thereon the feet of the participant and a shaped underside surface opposite said stepping surface;
(b) means for elevating said top stepping surface of said platform section a selected distance above and in a plane parallel to, a support surface, said elevating means comprising a support element having a bottom exterior and an opposite top exterior, said top exterior being shaped to and matingly engageable along a portion of the edge thereof within said underside surface of said platform section, whereby said participant may adjust said distance by utilizing said support element with said platform section; and (c) a protrusion on said underside surface of said platform section and on said bottom exterior of said support element and a depression on the top exterior of said support element, said protrusion and depression being complementary in shape to, and matingly engageable and in registry with, each other to provide lateral stabilization of said platform section and said support element.
17. An adjustable stepping structure in accordance with claim 16 wherein said elevating means comprises a pair of support elements.
18. An adjustable stepping structure in accordance with claim 16 wherein said platform section is contoured about its periphery and wherein said top stepping surface includes means for preventing slippage of the feet of the participant.
19. An adjustable stepping structure for aerobic exercises, comprising:
(a) a platform section having a substantially flat and continuous top stepping surface for receiving thereon the feet of the participant and at least one shaped engaging surface opposite said stepping surface;
(b) means for elevating said top stepping surface of said platform section a selected distance above and in a plane parallel to, a support surface, said elevating means comprising a support element, having an engaging surface that is complementary in shape to and matingly engageable with, said shaped engaging surface of said platform section; and (c) a first stabilizing means positioned on said shaped engaging surface of said platform and a second stabilizing means on said engaging surface on said support element that is complementary in shape to, and matingly engageable and in registry with, said first stabilizing means, whereby the lateral position of said support element and said platform section, relative to each other, is stabilized.
(a) a platform section having a substantially flat and continuous top stepping surface for receiving thereon the feet of the participant and at least one shaped engaging surface opposite said stepping surface;
(b) means for elevating said top stepping surface of said platform section a selected distance above and in a plane parallel to, a support surface, said elevating means comprising a support element, having an engaging surface that is complementary in shape to and matingly engageable with, said shaped engaging surface of said platform section; and (c) a first stabilizing means positioned on said shaped engaging surface of said platform and a second stabilizing means on said engaging surface on said support element that is complementary in shape to, and matingly engageable and in registry with, said first stabilizing means, whereby the lateral position of said support element and said platform section, relative to each other, is stabilized.
20. An adjusting stepping structure in accordance with claim 19 wherein said elevating means comprises at least two support elements.
21. An adjusting stepping structure in accordance with claim 19 wherein said first stabilizing means is positioned on an edge portion of said engaging surface of said platform and wherein said second stabilizing means is positioned on an edge portion of said first engaging surface.
22. An adjusting stepping structure in accordance with claim 19 wherein said platform section is contoured about its periphery and wherein said top stepping surface includes means for preventing slippage of the feet of the participant.
23. An adjustable stepping structure as claimed in claim 19 wherein said first and second stabilizing means comprise a depression and a protrusion for mating engagement with said depression.
24. An adjustable stepping structure as claimed in claim 23 wherein said first stabilizing means is said depression and said second stabilizing means is said protrusion.
25. An adjustable stepping structure for aerobic exercises comprising:
(a) a platform section having a substantially flat top stepping surface for receiving thereon the feet of the participant and an underside surface opposite said stepping surface;
(b) means for elevating said top stepping surface of said platform section a selected distance above and in a plane parallel to, a support surface, said elevating means comprising a pair of support elements disposed substantially underneath and matingly engageable with, said platform section;
(c) means for matingly engaging with said top surface of said support elements being incorporated within said underside of said platform section, said engaging means comprising an opening in said underside of said platform section which receives therein an edge portion of said top surface of said support elements; and (d) a first stabilizing means on said underside surface of said platform section and a second stabilizing means on said top surface of said support elements, said first and second stabilizing means being complementary in shape to and matingly engageable and in registry with, each other to provide lateral stabilization of said platform section and said support elements.
(a) a platform section having a substantially flat top stepping surface for receiving thereon the feet of the participant and an underside surface opposite said stepping surface;
(b) means for elevating said top stepping surface of said platform section a selected distance above and in a plane parallel to, a support surface, said elevating means comprising a pair of support elements disposed substantially underneath and matingly engageable with, said platform section;
(c) means for matingly engaging with said top surface of said support elements being incorporated within said underside of said platform section, said engaging means comprising an opening in said underside of said platform section which receives therein an edge portion of said top surface of said support elements; and (d) a first stabilizing means on said underside surface of said platform section and a second stabilizing means on said top surface of said support elements, said first and second stabilizing means being complementary in shape to and matingly engageable and in registry with, each other to provide lateral stabilization of said platform section and said support elements.
26. An adjustable stepping structure for aerobic exercises comprising:
(a) a platform section having a substantially flat top stepping surface for receiving thereon the feet of the participant and an underside surface opposite said stepping surface;
(b) means for elevating said platform section a selected distance above a support surface, said elevating means comprising at least two separate horizontally aligned support elements disposed substantially underneath and matingly engaged with, said platform section, each of said support elements having a shaped bottom and an opposite top surface complementary in shape to and detachably engageable with said bottom of a support element;
(c) means for matingly engaging with said top surface of said support elements being incorporated within said underside of said platform section and each of said support elements, said engaging means comprising an opening in said underside of said platform section which receives therein a portion of the edge of said top surface of said support element; and (d) a first stabilizing means on said underside surface of said platform section and on said bottom of said support elements and a second stabilizing means on the said top surface of said support elements, said first and second stabilizing means being complementary in shape to and matingly engageable and in registry with, each other to provide lateral stabilization of said platform section and said support elements.
(a) a platform section having a substantially flat top stepping surface for receiving thereon the feet of the participant and an underside surface opposite said stepping surface;
(b) means for elevating said platform section a selected distance above a support surface, said elevating means comprising at least two separate horizontally aligned support elements disposed substantially underneath and matingly engaged with, said platform section, each of said support elements having a shaped bottom and an opposite top surface complementary in shape to and detachably engageable with said bottom of a support element;
(c) means for matingly engaging with said top surface of said support elements being incorporated within said underside of said platform section and each of said support elements, said engaging means comprising an opening in said underside of said platform section which receives therein a portion of the edge of said top surface of said support element; and (d) a first stabilizing means on said underside surface of said platform section and on said bottom of said support elements and a second stabilizing means on the said top surface of said support elements, said first and second stabilizing means being complementary in shape to and matingly engageable and in registry with, each other to provide lateral stabilization of said platform section and said support elements.
27. An adjustable stepping structure as claimed in claim 26 wherein said platform section is rectangular.
28. An adjustable stepping structure as claimed in claim 26 wherein said support elements have equal dimensions.
29. An adjustable stepping structure as claimed in claim 27 wherein said platform section comprises side and end walls depending from said step stepping surface and said underside surface receiving therein one of said support elements adjacent each of said end walls.
30. An adjustable stepping structure as claimed in claim 26 wherein said top stepping surface has a non-slip exterior.
31. An adjustable stepping structure as claimed in claim 26 wherein said platform section is contoured about its periphery.
32. An adjustable stepping structure as claimed in claim 26 wherein said support elements are of a modular construction.
33. An adjustable stepping structure for aerobic exercises, comprising:
(a) a platform section having substantially flat top stepping surface for receiving thereon the feet of the participant and at least one shaped engaging surface opposite said stepping surface;
(b) means for elevating said platform section a selected distance above a support surface, said elevating means comprising at least two separate horizontally aligned support elements, each of said support elements having a first engaging surface and an opposite second engaging surface, said second engaging surface and said first engaging surface being complementary in shape to and matingly engageable with both said shaped engaging surface of said platform section as well as said second engaging surface of said support element; and (c) a first stabilizing means positioned on an edge portion of said second engaging surface and an edge portion of said shaped engaging surface of said platform and a second stabilizing means being complementary in shape to and matingly engageable and in registry with, said first stabilizing means and being positioned on an edge portion of said first engaging surface, whereby the lateral position of said support elements and said platform section, relative to each other, is stabilized.
(a) a platform section having substantially flat top stepping surface for receiving thereon the feet of the participant and at least one shaped engaging surface opposite said stepping surface;
(b) means for elevating said platform section a selected distance above a support surface, said elevating means comprising at least two separate horizontally aligned support elements, each of said support elements having a first engaging surface and an opposite second engaging surface, said second engaging surface and said first engaging surface being complementary in shape to and matingly engageable with both said shaped engaging surface of said platform section as well as said second engaging surface of said support element; and (c) a first stabilizing means positioned on an edge portion of said second engaging surface and an edge portion of said shaped engaging surface of said platform and a second stabilizing means being complementary in shape to and matingly engageable and in registry with, said first stabilizing means and being positioned on an edge portion of said first engaging surface, whereby the lateral position of said support elements and said platform section, relative to each other, is stabilized.
34. An adjustable stepping structure as claimed in claim 26 wherein said first and second stabilizing means comprise a depression and a protrusion for mating engagement with said depression.
35. An adjustable stepping structure as claimed in claim 34 wherein said first stabilizing means is said depression and said second stabilizing means is said protrusion.
36. An adjustable stepping structure as claimed in claim 33 wherein said first and second stabilizing means comprise a depression and a protrusion for mating engagement with said depression.
37. An adjustable stepping structure as claimed in claim 36 wherein said first stabilizing means is said depression and said second stabilizing means is said protrusion.
38. An adjustable stepping structure for aerobic exercises comprising:
(a) a platform section having a periphery and having a top stepping surface therewithin for receiving thereon the feet of the participant and a shaped underside surface opposite said stepping surface;
(b) means for elevating said top stepping surface of said platform section a selected distance above a support surface, said elevating means comprising a support element having a bottom exterior, an opposite top exterior and a periphery substantially dimensionally contiguous with that of said platform section, one of said exteriors being shaped and the other of said exteriors being complementary in shape to and matingly engageable along a portion of the edge thereof within both said underside surface of said platform section as well as said bottom exterior of said support element, whereby said participant may adjust said distance by utilizing with said platform section a selected one or more of said support elements; and (c) a protrusion on said underside surface of said platform section and on said bottom exterior of said support element and a depression on the top exterior of said support element, said protrusion and depression being complementary in shape to and matingly engageable and in registry with, each other to provide lateral stabilization of said platform section and said support element.
(a) a platform section having a periphery and having a top stepping surface therewithin for receiving thereon the feet of the participant and a shaped underside surface opposite said stepping surface;
(b) means for elevating said top stepping surface of said platform section a selected distance above a support surface, said elevating means comprising a support element having a bottom exterior, an opposite top exterior and a periphery substantially dimensionally contiguous with that of said platform section, one of said exteriors being shaped and the other of said exteriors being complementary in shape to and matingly engageable along a portion of the edge thereof within both said underside surface of said platform section as well as said bottom exterior of said support element, whereby said participant may adjust said distance by utilizing with said platform section a selected one or more of said support elements; and (c) a protrusion on said underside surface of said platform section and on said bottom exterior of said support element and a depression on the top exterior of said support element, said protrusion and depression being complementary in shape to and matingly engageable and in registry with, each other to provide lateral stabilization of said platform section and said support element.
39. An adjustable stepping structure for aerobic exercises, comprising:
(a) a platform section having a periphery and a substantially flat top surface for receiving thereon the feet of the participant and at least one shaped engaging surface opposite said stepping surface;
(b) means for elevating said platform section a selected distance above a support surface, said elevating means comprising a support element, the periphery of which is dimensionally substantially contiguous with the periphery of said platform section, said support element having a first engaging surface and an opposite second engaging surface, said second engaging surface being shaped and said first engaging surface being complementary in shape to and matingly engageable with said shaped engaging surface of said platform section as well as said second engaging surface of another support element; and (c) a first stabilizing means positioned on an edge portion of said second engaging surface and on an edge portion of said shaped engaging surface of said platform and a second stabilizing means being complementary in shape to and matingly engageable and in registry with, said first stabilizing unit and being positioned on an edge portion of said first engaging surface, whereby the lateral position of said platform section relative to said support element is stabilized.
(a) a platform section having a periphery and a substantially flat top surface for receiving thereon the feet of the participant and at least one shaped engaging surface opposite said stepping surface;
(b) means for elevating said platform section a selected distance above a support surface, said elevating means comprising a support element, the periphery of which is dimensionally substantially contiguous with the periphery of said platform section, said support element having a first engaging surface and an opposite second engaging surface, said second engaging surface being shaped and said first engaging surface being complementary in shape to and matingly engageable with said shaped engaging surface of said platform section as well as said second engaging surface of another support element; and (c) a first stabilizing means positioned on an edge portion of said second engaging surface and on an edge portion of said shaped engaging surface of said platform and a second stabilizing means being complementary in shape to and matingly engageable and in registry with, said first stabilizing unit and being positioned on an edge portion of said first engaging surface, whereby the lateral position of said platform section relative to said support element is stabilized.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US41815989A | 1989-10-06 | 1989-10-06 | |
| US418,159 | 1989-10-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2067192A1 CA2067192A1 (en) | 1991-04-07 |
| CA2067192C true CA2067192C (en) | 1995-07-11 |
Family
ID=23656967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002067192A Expired - Lifetime CA2067192C (en) | 1989-10-06 | 1990-09-25 | Adjustable stepping structure for aerobic exercises |
Country Status (12)
| Country | Link |
|---|---|
| EP (1) | EP0494970B1 (en) |
| JP (1) | JPH084637B2 (en) |
| KR (1) | KR920703156A (en) |
| AT (1) | ATE108072T1 (en) |
| AU (1) | AU654117B2 (en) |
| CA (1) | CA2067192C (en) |
| DE (3) | DE69010508T2 (en) |
| DK (1) | DK0494970T3 (en) |
| ES (1) | ES2037647T3 (en) |
| MY (1) | MY106579A (en) |
| NO (1) | NO921328L (en) |
| WO (1) | WO1991004767A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9108940U1 (en) * | 1991-07-20 | 1991-10-02 | MEGA Sport Nahrung und Sportartikel Vertriebs GmbH, 6830 Schwetzingen | Floor fitness equipment with variable step heights |
| US5357876A (en) * | 1991-11-07 | 1994-10-25 | Wenger Corporation | Portable hinged riser |
| US5645511A (en) * | 1991-11-21 | 1997-07-08 | Green Journal Ltd. | Exercise apparatus |
| GB2261608B (en) * | 1991-11-21 | 1995-05-03 | Green Journal Ltd | Improvements in or relating to an exercise apparatus |
| DE4425104C1 (en) * | 1994-07-15 | 1996-02-01 | Juergen Dr Jopp | Training appts. for aerobic practice |
| DE29907866U1 (en) | 1999-05-03 | 1999-07-15 | Gotthilf Benz Turngerätefabrik GmbH + Co, 71364 Winnenden | Diving box |
| JP4801486B2 (en) * | 2006-04-10 | 2011-10-26 | アロン化成株式会社 | Lifting step |
| MX2008012088A (en) * | 2006-05-09 | 2008-12-09 | Spri Products Inc | Adjustable exercise device and a device for adjusting an exercise device. |
| DE102007025740A1 (en) | 2007-06-01 | 2008-12-04 | Till Garthoff | Wellness, rehabilitation and sports/fitness device for integral work-out of e.g. joints, has tread unit and core unit made up of elastic material, where tread unit is firmly connected or disconnected with core unit |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7429931U (en) * | 1975-01-23 | Nitzbon U | Riding bench for the treatment of handicapped children | |
| US2933850A (en) * | 1957-11-04 | 1960-04-26 | Martin Robert Manatt | Furniture leg build up |
| CA901614A (en) * | 1971-07-19 | 1972-05-30 | D. Miller William | Climbing blocks |
| US4253661A (en) * | 1978-12-13 | 1981-03-03 | Brian Russell | Leg exercising device |
| US4301766A (en) * | 1979-12-13 | 1981-11-24 | James Piccone | Furniture device for cats |
| DE3007080A1 (en) * | 1980-02-26 | 1981-09-10 | Degussa Ag, 6000 Frankfurt | METHOD FOR PRODUCING TYPE A CRYSTALLINE ZEOLITE POWDER |
| US4561652A (en) * | 1981-02-17 | 1985-12-31 | Wilkinson William T | Exercising device for simulating climbing |
| DE3128122C2 (en) * | 1981-07-16 | 1985-04-25 | Turnmeyer-Werke Gmbh, 5800 Hagen | Locking device for vaulting boxes |
| DE3136451C2 (en) * | 1981-09-14 | 1985-06-05 | Christian Spies Holzwarenfabrik, 5920 Bad Berleburg | Multi-part vaulting box as gymnastics and gymnastics equipment |
| AU574570B2 (en) * | 1985-03-20 | 1988-07-07 | Ian Geoffrey Wilson | Adjustable footrest |
-
1990
- 1990-09-25 DK DK90915651.5T patent/DK0494970T3/en active
- 1990-09-25 ES ES90915651T patent/ES2037647T3/en not_active Expired - Lifetime
- 1990-09-25 DE DE69010508T patent/DE69010508T2/en not_active Expired - Lifetime
- 1990-09-25 DE DE9017906U patent/DE9017906U1/en not_active Expired - Lifetime
- 1990-09-25 KR KR1019920700765A patent/KR920703156A/en not_active Application Discontinuation
- 1990-09-25 WO PCT/US1990/005446 patent/WO1991004767A1/en active IP Right Grant
- 1990-09-25 EP EP90915651A patent/EP0494970B1/en not_active Expired - Lifetime
- 1990-09-25 JP JP2514516A patent/JPH084637B2/en not_active Expired - Fee Related
- 1990-09-25 DE DE199090915651T patent/DE494970T1/en active Pending
- 1990-09-25 AU AU66014/90A patent/AU654117B2/en not_active Expired
- 1990-09-25 CA CA002067192A patent/CA2067192C/en not_active Expired - Lifetime
- 1990-09-25 AT AT90915651T patent/ATE108072T1/en not_active IP Right Cessation
- 1990-10-03 MY MYPI90001719A patent/MY106579A/en unknown
-
1992
- 1992-04-03 NO NO92921328A patent/NO921328L/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPH084637B2 (en) | 1996-01-24 |
| DE9017906U1 (en) | 1993-01-21 |
| EP0494970A1 (en) | 1992-07-22 |
| AU6601490A (en) | 1991-04-28 |
| DK0494970T3 (en) | 1994-11-21 |
| ES2037647T1 (en) | 1993-07-01 |
| NO921328L (en) | 1992-06-03 |
| DE494970T1 (en) | 1993-03-18 |
| AU654117B2 (en) | 1994-10-27 |
| DE69010508T2 (en) | 1994-10-20 |
| EP0494970A4 (en) | 1992-08-12 |
| ES2037647T3 (en) | 1994-10-16 |
| WO1991004767A1 (en) | 1991-04-18 |
| NO921328D0 (en) | 1992-04-03 |
| MY106579A (en) | 1995-06-30 |
| KR920703156A (en) | 1992-12-17 |
| CA2067192A1 (en) | 1991-04-07 |
| EP0494970B1 (en) | 1994-07-06 |
| DE69010508D1 (en) | 1994-08-11 |
| JPH04507055A (en) | 1992-12-10 |
| ATE108072T1 (en) | 1994-07-15 |
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Legal Events
| Date | Code | Title | Description |
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| EEER | Examination request | ||
| MKEX | Expiry |